Home / 215,206,373,447.79-296,983,030,419.10-117,548,076,668.67

Finding the Fourth Proportional to 215,206,373,447.79, 296,983,030,419.10 and 117,548,076,668.67

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Solution

The fourth proportional to 215,206,373,447.79, 296,983,030,419.10 and 117,548,076,668.67 is: 162,215,381,773.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,206,373,447.79 : 296,983,030,419.10 = 117,548,076,668.67 : x
  2. Step 2: Convert to fraction form
    215,206,373,447.79/296,983,030,419.10 = 117,548,076,668.67/x
  3. Step 3: Cross multiply
    215,206,373,447.79x = 296,983,030,419.10 × 117,548,076,668.67
  4. Step 4: Simplify right side
    215,206,373,447.79x = 34,909,784,028,998,319,210,496
  5. Step 5: Solve for x
    x = 34,909,784,028,998,319,210,496/215,206,373,447.79
  6. Step 6: Final answer
    x = 162,215,381,773.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.